Wednesday, June 3, 2009

Young’s Modulus

Young’s Modulus – Young’s Modulus is also called the modulus of elasticity, and is depicted in equations as “E”. This factor varies in materials based on alloy, heat treatment, and the method of manufacture, so values of E are generally determined experimentally and can be accessed from material tables. Young’s Modulus defines how much a specific material stretches under load, and is used to convert stress to strain. The level of strain in a component is equal to Young’s Modulus for the component divided by the stress. This relationship is known as Hooke’s Law. Stress versus strain relationships are quantified experimentally and are plotted in a stress-strain diagram

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